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anonymous
 5 years ago
can some1 help? if so thank you
state whether or not the equation is identity if so prove it
sec(x)=sec(x)
sec^2(x)csc^2(x) = tan^2(x)  cot^2(x)
cos^2(sec(x)+1)^2=(1+cosx)^2
anonymous
 5 years ago
can some1 help? if so thank you state whether or not the equation is identity if so prove it sec(x)=sec(x) sec^2(x)csc^2(x) = tan^2(x)  cot^2(x) cos^2(sec(x)+1)^2=(1+cosx)^2

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yes they are three different problems any help wld be apreciated i dont understand this stuff thanks

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0cos(x) = cos(x) so 1st is true

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.1since cosx is an even function! :)

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.1that means it is symmetric about the yaxis!

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.1what can say about 1/cos(x)=1/cosx now?

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.1i will be back i must eat :)
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